Water restrictions in Sunnyvale, CA — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
Sunnyvale follows Valley Water drought stage rules and enforces permanent outdoor watering limits. AB 1572 bans irrigating non-functional turf at commercial and HOA sites starting in 2027.
Sunnyvale water customers must comply with restrictions set by the Santa Clara Valley Water District and the city. Permanent rules prohibit watering within 48 hours of measurable rainfall, using potable water for ornamental fountains without recirculation, and hosing down hard surfaces. During drought stages, outdoor irrigation is limited to specific days and hours, typically before 9 am or after 6 pm. Under California AB 1572, irrigating non-functional turf at commercial, industrial, institutional, and HOA common areas with potable water is banned starting January 1, 2027. Sunnyvale was an early adopter of efficient landscape standards under MWELO and offers rebates for lawn conversion. Violations can result in fines starting at 100 dollars and escalating with each incident.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Santa Clara County.
See how other cities in Santa Clara County handle water restrictions.
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